Test 1

Question 1

Level of organization, multiple species living and interacting in the same area

Answer 1

Community

Question 2

Level of organization, multiple cells of same type working together to serve a function

Answer 2

Tissue

Question 3

Level of organization, structure composed of more than one type of tissue

Answer 3

Organ

Question 4

Repeated failure to falsify a hypothesis leads to being termed a blank

Answer 4

Scientific theory

Question 5

After S phase and before mitosis each chromosome is made up of two blank

Answer 5

Chromatids

Question 6

In what cells will you find a haploid number of chromosomes

Answer 6

Gametes/eggs and sperm

Question 7

In which phase does the nuclear membrane form around the new nuclei

Answer 7

Telophase

Question 8

Phase when centromere’s divide and chromosomes begin to separate

Answer 8

Anaphase

Question 9

The first visual indication that mitosis is beginning

Answer 9

Chromosomes condense

Question 10

The human genome contains 22 pairs of blank an 2 sex chromosomes

Answer 10

Chromosomes

Question 11

The cell theory states that all organisms are composed of blank and these are produced by the division of blank

Answer 11

One or more cells, pre-existing cells

Question 12

The modern cell theory recognizes that blank is past to daughter cells during cell division in a chemical form called blank

Answer 12

Heredity and DNA

Question 13

Structures possessed by plant cells that are absent in animal cells

Answer 13

Cell wall, vacuole

Question 14

DNA rich area with a bacterial cell

Answer 14

Nucleoid

Question 15

Organelles with double membrane’s circular DNA and prokaryote sized ribozymes

Answer 15

Mitochondria chloroplasts and nucleus

Question 16

RNA rich area within eukaryote nucleus

Answer 16

Nucleolus

Question 17

Protein filaments in cilia and flagella composed of spirally arrange globular proteins

Answer 17

Microtubules

Question 18

Packaging center of cell substances synthesized by the cell our package and distributed from this system

Answer 18

Golgi apparatus

Question 19

Name of protein walled tubes that allow exchange of materials between animal cells functionally similar to blank of plants

Answer 19

Gap junctions, plasmodesmata

Question 20

A single layer of lipid bilayer membrane that is associated with various proteins and controls movement of materials into and out of the cell

Answer 20

Plasma membrane

Question 21

General category of membrane proteins anchored by a transmembrane segment penetrates completely through my brain

Answer 21

Integral

Question 22

Form of facilitated diffusion stimulus molecule attaches to membrane protein protein opens into a tunnel across membrane

Answer 22

Gated channels

Question 23

Globular structures involved in protein synthesis small and large subunit are composed of RNA and proteins

Answer 23

Ribosomes

Question 24

Site for much protein synthesis part of Endomembrane system

Answer 24

Rough ER

Question 25

Type of cell Junction that prohibits movement of materials between epithelial cells

Answer 25

Tight

Question 26

What general category of molecule could penetrate a membrane most easily

Answer 26

Hydrophobic

Question 27

Site of photosynthesis in eukaryotes

Answer 27

Chloroplast

Question 28

Surrounded by double layered membrane with pores formed by an 8 protein pore complex

Answer 28

Nucleus

Question 29

Energy centers of eukaryote cells most ATP is synthesized here

Answer 29

Mitochondria

Question 30

Diffusion of water across a semi permeable membrane

Answer 30

Osmosis

Question 31

Substances that dissolve in organic solvents and are insoluble in water

Answer 31

Lipids

Question 32

Building blocks of fat and oil modules

Answer 32

Glycerol and fatty acid

Question 33

Number of fatty acids in a phospholipid

Answer 33

2

Question 34

When the fatty acid is saturated all carbon carbon bonds are single bonds and the remaining balance on each carbon are filled with what element

Answer 34

Hydrogen

Question 35

The sum of all chemical reactions within an organism

Answer 35

Metabolism

Question 36

EPA (formula: 20:5n3) is a poly unsaturated fatty acid that provides many health benefits what number in the chemical formula tells you it is a poly unsaturated

Answer 36

Three

Question 37

Molecules that have both hydrophobic and hydrophilic regions are termed amphipathic what type biological molecule is amphipathic

Answer 37

Phospholipids

Question 38

What chemical compound is released during a condensation reaction

Answer 38

Water

Question 39

Polyunsaturated fatty acids and membrane's increase membrane

Answer 39

Flexibility and fluidity

Question 40

What is the primary solvent in living systems

Answer 40

Water

Question 41

General term for ejecting materials from cells through fusion of vesicle membrane with plasma membrane

Answer 41

Exocytosis

Question 42

General term for taking in of molecules particles or cells via membrane invagination and vesicle formation

Answer 42

Endocytosis

Question 43

Transport down a concentration gradient that is specific for one substrate can be saturated and does not require energy

Answer 43

Passive transport

Question 44

Membrane protein responsible for maintaining a resting electrical potential across a membrane important in reestablishing that potential after an action potential

Answer 44

Sodium pump

Question 45

In what phase of the eukaryotic cell cycle is DNA replicated

Answer 45

S phase/synthesis

Question 46

In what phase of a eukaryotic cell cycle do the first trigger reactions occur that begin preparation for mitosis

Answer 46

G2 phase/gap 2

Question 47

Mode of division in most bacteria

Answer 47

Fission

Question 48

Mitosis actually refers to division of the blank only

Answer 48

Nucleus

Question 49

The process of forming two new cells after mitosis is termed blank

Answer 49

Cytokinesis

Question 50

Number of chromosomes in each human cell except for sperm and egg

Answer 50

46

Question 51

What process to eukaryotic chromosomes undertake before going into mitosis it leads to them becoming visible as dark staining strands of the beginning of mitosis

Answer 51

Super coiling

Question 52

Chromosomes are grouped on the basis of these characteristics

Answer 52

Laying position of centromere banding patterns

Question 53

Link adjacent cells and permit materials to move around

Answer 53

Desmosomes

Question 54

All single bonds no kinks straight

Answer 54

Saturated

Question 55

Double bonds with kinks not straight

Answer 55

Unsaturated

Question 56

Two functions of mitosis and eukaryotes

Answer 56

Growth and repair

Question 57

Unlike eukaryotes all prokaryotic cells are small have a little internal structures and contain one to a few chromosomes

Answer 57

True

Question 58

Nonliving components of bacterial and plant cells external to plasma membrane

Answer 58

Cilia and flagella

Question 59

Term applied to fluid and organelles and closed by the plasma membrane

Answer 59

Cytoplasm

Question 60

The major building block of unit membranes in cells

Answer 60

Phospholipids

Question 61

In what phase of the eukaryotic cell cycle are large quantities of M RNA and microtubule proteins produced

Answer 61

None not G1 S or G2